80478840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{2243}}^1$

素因数の和:2293

約数の個数: 128

約数和(自身を含む): 271434240

約数和(自身を除く): 190955400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 23, 24, 26, 30, 39, 40, 46, 52, 60, 65, 69, 78, 92, 104, 115, 120, 130, 138, 156, 184, 195, 230, 260, 276, 299, 312, 345, 390, 460, 520, 552, 598, 690, 780, 897, 920, 1196, 1380, 1495, 1560, 1794, 2243, 2392, 2760, 2990, 3588, 4485, 4486, 5980, 6729, 7176, 8970, 8972, 11215, 11960, 13458, 17940, 17944, 22430, 26916, 29159, 33645, 35880, 44860, 51589, 53832, 58318, 67290, 87477, 89720, 103178, 116636, 134580, 145795, 154767, 174954, 206356, 233272, 257945, 269160, 291590, 309534, 349908, 412712, 437385, 515890, 583180, 619068, 670657, 699816, 773835, 874770, 1031780, 1166360, 1238136, 1341314, 1547670, 1749540, 2011971, 2063560, 2682628, 3095340, 3353285, 3499080, 4023942, 5365256, 6190680, 6706570, 8047884, 10059855, 13413140, 16095768, 20119710, 26826280, 40239420, 80478840]

約数ペア:

[(1, 80478840), (2, 40239420), (3, 26826280), (4, 20119710), (5, 16095768), (6, 13413140), (8, 10059855), (10, 8047884), (12, 6706570), (13, 6190680), (15, 5365256), (20, 4023942), (23, 3499080), (24, 3353285), (26, 3095340), (30, 2682628), (39, 2063560), (40, 2011971), (46, 1749540), (52, 1547670), (60, 1341314), (65, 1238136), (69, 1166360), (78, 1031780), (92, 874770), (104, 773835), (115, 699816), (120, 670657), (130, 619068), (138, 583180), (156, 515890), (184, 437385), (195, 412712), (230, 349908), (260, 309534), (276, 291590), (299, 269160), (312, 257945), (345, 233272), (390, 206356), (460, 174954), (520, 154767), (552, 145795), (598, 134580), (690, 116636), (780, 103178), (897, 89720), (920, 87477), (1196, 67290), (1380, 58318), (1495, 53832), (1560, 51589), (1794, 44860), (2243, 35880), (2392, 33645), (2760, 29159), (2990, 26916), (3588, 22430), (4485, 17944), (4486, 17940), (5980, 13458), (6729, 11960), (7176, 11215), (8970, 8972)]